/* 全屏导航样式 */
.fullscreen-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.fullscreen-nav.active {
    opacity: 1;
    visibility: visible;
}

.nav-wrapper {
    text-align: center;
}

.logo {
    margin-bottom: 30px;
}

.logo img {
    max-width: 200px;
    height: auto;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    margin: 20px 0;
}

nav ul li a {
    font-size: 24px;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #007bff;
}

.menu-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: #333;
    margin: 6px 0;
    transition: all 0.3s ease-in-out;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    nav ul li a {
        font-size: 20px;
    }
}
